Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    08-04-2021 07:04

General

  • Target

    kayo.exe

  • Size

    29KB

  • MD5

    7b9af96c1828d52a8d6380b02ef72c18

  • SHA1

    28a32a49f3d857ba4e869901e85328b2fa2cdc10

  • SHA256

    7aeaa9cbabc54c36844d5852172c449865bf4c524693ae7aa9909b87627052fa

  • SHA512

    c50ed68634623a85754c32b79ee3a264b327892867e21888b6d9d14b2ef57a2782fa588446b650c29ba0b795dc1291546c40aea27fb5ec8d85ff9226bc87e04f

Malware Config

Extracted

Family

lokibot

C2

http://amrp.tw/kayo/gate.php

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.trade/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.top/alien/fre.php

Signatures

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kayo.exe
    "C:\Users\Admin\AppData\Local\Temp\kayo.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:332
    • C:\Users\Admin\AppData\Local\Temp\kayo.exe
      "C:\Users\Admin\AppData\Local\Temp\kayo.exe"
      2⤵
        PID:824
      • C:\Users\Admin\AppData\Local\Temp\kayo.exe
        "C:\Users\Admin\AppData\Local\Temp\kayo.exe"
        2⤵
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        PID:528

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Install Root Certificate

    1
    T1130

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/332-9-0x0000000000000000-mapping.dmp
    • memory/528-10-0x0000000000400000-0x00000000004A3000-memory.dmp
      Filesize

      652KB

    • memory/528-11-0x00000000004139DE-mapping.dmp
    • memory/528-14-0x0000000000400000-0x00000000004A3000-memory.dmp
      Filesize

      652KB

    • memory/1288-13-0x000007FEF5E90000-0x000007FEF610A000-memory.dmp
      Filesize

      2.5MB

    • memory/1676-8-0x0000000000000000-mapping.dmp
    • memory/1968-2-0x0000000074200000-0x00000000748EE000-memory.dmp
      Filesize

      6.9MB

    • memory/1968-3-0x0000000000FD0000-0x0000000000FD1000-memory.dmp
      Filesize

      4KB

    • memory/1968-5-0x0000000075ED1000-0x0000000075ED3000-memory.dmp
      Filesize

      8KB

    • memory/1968-6-0x0000000004A40000-0x0000000004A41000-memory.dmp
      Filesize

      4KB

    • memory/1968-7-0x00000000006A0000-0x00000000006CB000-memory.dmp
      Filesize

      172KB